r
NO. CHECK ITEM
ACTION
9 Automatic Ring
Back
l
10 Last Number
Redial
* 11 Abbreviated
Dialling
* 12 Noaccesstoa
group of
exchange lines.
(if programmed)
* 13 Access Barring
by digit
analysis (as
programmed)
* 14 Multi Party
Conference
Wait for time
out.
Respond to the
held line at
station B, then
go On Hook at all
stations.
Go Off Hook and
seize a line at
station A,
operate DC and
dial
Go On Hook.
Go Off Hook,
Depress DC.
Dial “10” and the
desired number.
Seize a line,
then depress DC,
dial “10” and wait.
Go On Hook.
Seize one of the
lines in the
higher group at a
restricted station.
Seize a line at
stations in
different classes
and dial various
codes.
Call outside
party using 1 st
exchange line,
then operate ADD
ON.
Call another out-
side party by a
2nd exchange line,
then operate
ADD ON.
Go on hook.
EXPECTED RESULT
REPAIR
SUGG
1) Audible signalling heard at
station B.
1) Line LED changes to steady.
1) Line
go off.
1) Call same line as previously
called.
1) ICM LED lights.
2) Hear intercom dial tone.
1) Stored destination must be
reached.
1) Station hears number
unobtainable tone for about a
second, then is disconnected
from the line.
1) Class-A stations unres-
tricted.
2) Class-B barred ISD access,
STD access provided.
3) Class-C limited
access to 12 numbers or areas.
4) Class-D barred STD access,
local calls only. Barring
based on access code and
number length.
5) Class-E barred outgoing by
SBS behind a PABX.
6) When restriction occurs,
station will hear number
unobtainable tone for about
a second, and then will be
disconnected from the line.
1) The 1 st line lamp flickers
at the station.
1) Two outside parties and the
station are connected.
2) Line lamps are steady.
Two outside parties are
disconnected.
3.6.14
3.6.15
3.6.16
3.6.17
3.6.18
3.6.19
108
ISSUE 1
